Goodwe ET Series User Manual page 50

09 Maintenance
No. Fault
Grid Rapid
3 abnormal or ultra-
high.
is lower than the
permissible range,
Grid
4 or the duration of
LVRT.
Cause
1. If the problem occurs occasionally, the
utility grid may be abnormal temporarily.
detecting that the utility grid is normal.
2.
allowed range.
• Contact the local power company if the
range.
•
protection threshold after obtaining the
consent of the local power company
permissible range.
1. If the problem occurs occasionally, the
utility grid may be abnormal temporarily.
detecting that the utility grid is normal.
2.
permissible range.
• Contact the local power company if the
range.
•
threshold, LVRT or disable the
obtaining the consent of the local power
the permissible range.
3.
output cables are connected securely and
correctly if the problem persists.
User Manual V1.0-2022-08-30
Solutions